<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../bootstrap/css/bootstrap.css">
</head>
<body>

<div class="btn-toolbar mb-3" role="toolbar" aria-label="Toolbar with button groups">
    <div class="btn-group mr-2" role="group" aria-label="First group">
        <button type="button" class="btn btn-outline-secondary">1</button>
        <button type="button" class="btn btn-outline-secondary">2</button>
        <button type="button" class="btn btn-outline-secondary">3</button>
        <button type="button" class="btn btn-outline-secondary">4</button>
    </div>
    <div class="input-group">
        <div class="input-group-text" id="btnGroupAddon">@</div>
        <input type="text" class="form-control" placeholder="Input group example" aria-label="Input group example"
               aria-describedby="btnGroupAddon">
    </div>
</div>

<div class="btn-toolbar justify-content-between" role="toolbar" aria-label="Toolbar with button groups">
    <div class="btn-group" role="group" aria-label="First group">
        <button type="button" class="btn btn-outline-secondary">1</button>
        <button type="button" class="btn btn-outline-secondary">2</button>
        <button type="button" class="btn btn-outline-secondary">3</button>
        <button type="button" class="btn btn-outline-secondary">4</button>
    </div>
    <div class="input-group">
        <div class="input-group-text" id="btnGroupAddon2">@</div>
        <input type="text" class="form-control" placeholder="Input group example" aria-label="Input group example"
               aria-describedby="btnGroupAddon2">
    </div>
</div>

<script src="../bootstrap/js/bootstrap.js"></script>
</body>
</html>